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8843 (1990 OH)
Classification: Main-belt Asteroid          SPK-ID: 2008843
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457000.5 (2014-Dec-09.0) TDB
Reference: JPL 11 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .3027018019646816 7.2766e-08  
a 2.656938398715326 1.6763e-08 AU
q 1.852678357715041 1.8766e-07 AU
i 13.2594980774966 8.2542e-06 deg
node 216.9616287661202 2.3979e-05 deg
peri 132.7196745890147 2.7218e-05 deg
M 203.6369727112325 1.2935e-05 deg
tp 2457687.571958841875
(2016-Oct-26.07195884)
6.1013e-05 JED
period 1581.86950887234
4.33
1.4971e-05
4.099e-08
d
yr
n .2275788223875885 2.1538e-09 deg/d
Q 3.461198439715611 2.1837e-08 AU
  Orbit Determination Parameters
   # obs. used (total)      669  
   data-arc span      9016 days (24.68 yr)  
   first obs. used      1990-07-22  
   last obs. used      2015-03-29  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .59348  
   data source      ORB  
   producer      Otto Matic  
   solution date      2015-Apr-07 16:33:16  

Additional Information
 Earth MOID = .876107 AU 
 T_jup = 3.284 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.0 mag n/a PDS3 (MPC 31909)  

8843 (1990 OH)          Discovered 1990-Jul-22 by Helin, E. F. at Palomar
Reference: 19980610/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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